Could you tell me very easy simple example how to use rad2rad function? Here is my perl programme. I got the following message: 
Undefined subroutine &main::rad2rad called at sample.pl line 8.

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#!/usr/bin/perl
use Modern::Perl;
use autodie; 
use Math::Trig;
use Math::Trig ':pi';

my $radians;
my $radians_wrapped_by_2pi = rad2rad($radians);

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In reply to How to use rad2rad by Masayoshi Fujimoto

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